PLEASE NOTE THAT MANY PRODUCTS MAY LOOK THE SAME, BUT OPERATE ON DIFFERENT FREQUENCIES (288/300/310/315/372/390). THEREFORE IF YOU ARE UNSURE AT ALL IF THIS IS THE CORRECT ITEM FOR YOU, PLEASE EMAIL US AT SALES@DOOROPENERSANDMORE.COM AND WE WILL GLADLY MAKE SURE YOU GET THE RIGHT PART THE FIRST TIME.